System Configuration : System Setup : Configuring Pro Tools Hardware Settings : Launch Setup App

Launch Setup App
(Pro Tools with Mbox Family, M-Audio, or Third‑Party Audio Interfaces Only)
Using the setup application (control panel) for your audio interface, you can change settings in the following areas depending on your audio interface:
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Hardware Settings (including sample rate, hardware buffer size, and sync source).
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You can set the sample rate when creating a new Pro Tools session by selecting a different sample rate in the New Session dialog.
To change control panel settings:
1 In the Hardware Setup dialog, click the Launch Setup App button.
2 To change settings in the Control Panel, see the documentation that came with your audio interface.
3 When finished, close the Control Panel.